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近一年来,东北各个有色金屬选矿厂大力推行阶段选矿,在將原有流程(有的增加少量設备)改进为多段选别流程后,大大地改善了选矿技术指标并提高了
In the past year, various non-ferrous metal concentrators in northeast China have been vigorously promoting stage beneficiation. After upgrading the original process (with some additional equipment added) to a multi-stage process, the beneficiation technology has been greatly improved and improved